Epson 4000 Service Manual - Page 160

Corrective Actions for Displayed Warnings

Page 160 highlights

EPSON Stylus Pro 4000 Revision B 3.2.2 Corrective Actions for Displayed Warnings Warnings replace the "READY"/"PRINTING" message in the LCD to notify the user of the condition, but printing may continue because printer operations are not affected. A warning message cannot be cleared until the cause of the warning has been resolved. The following explains corrective actions for when the warnings are displayed. MAINTENANCE TANK NEAR Item LCD Panel message LED display Explanation Recovery Description MNT TK NEAR FULL Ink check LED: Blink Generated when capacity of the Maintenance Tank has reached less than 10%. Replace the Ink Cartridge with new one. INK LOW Item LCD Panel message LED display Explanation Recovery Description INK LOW Ink check LED: Blink Generated when remaining ink quantity falls below preset value. Replace the Maintenance Tank with new one. MAINTENANCE REQUEST † LCD Panel message MNT REQ nnnn ("nnnn" shows the code for the target replacement part.) † LED display Paper check LED: Flashes at 5-second intervals. † Display code Displays bit values assigned in Table 3-3 as "nnnn" in hexadecimal. Table 3-3. Bit Assignment Bit Request object 0 No occurrence in this product 1 CR life 2 No occurrence in this product 3 Battery shut off 4 No occurrence in this product 5 No occurrence in this product 6 Cleaning Unit 7 Date not set 8 Battery pressure 9 Paper feed roller life : Cause --- The number of CR movement cycles has reached predetermined value. --- RTC backup battery is shut off --- --- Pump counter has reached predetermined value. Date is not set RTC backup battery pressure is temporally low. The number of ASF paper feeding has reached predetermined value. 10 Reserved --- † Explanation Generated when the life of maintenance- required part expires shortly or an error related to a lithium battery for RTC backup has occurred. Troubleshooting Troubleshooting Based on Panel Messages 160

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EPSON Stylus Pro 4000
Revision B
Troubleshooting
Troubleshooting Based on Panel Messages
160
3.2.2
Corrective Actions for Displayed Warnings
Warnings replace the "READY"/"PRINTING" message in the LCD to notify the
user of the condition, but printing may continue because printer operations are
not affected.
A warning message cannot be cleared until the cause of the warning has been
resolved.
The following explains corrective actions for when the warnings are displayed.
MAINTENANCE TANK NEAR
INK LOW
MAINTENANCE REQUEST
LCD Panel message
MNT
REQ
nnnn
("nnnn" shows the code for the target replacement part.)
LED display
Paper check LED: Flashes at 5-second intervals.
Display code
Displays bit values assigned in Table 3-3 as "nnnn" in hexadecimal.
Explanation
Generated when the life of maintenance- required part expires shortly or
an error related to a lithium battery for RTC backup has occurred.
Item
Description
LCD Panel message
MNT
TK
NEAR
FULL
LED display
Ink check LED: Blink
Explanation
Generated when capacity of the Maintenance Tank has
reached less than 10%.
Recovery
Replace the Ink Cartridge with new one.
Item
Description
LCD Panel message
INK
LOW
LED display
Ink check LED: Blink
Explanation
Generated when remaining ink quantity falls below preset
value.
Recovery
Replace the Maintenance Tank with new one.
Table 3-3.
Bit Assignment
Bit
Request object
Cause
0
No occurrence in this
product
---
1
CR life
The number of CR movement cycles has
reached predetermined value.
2
No occurrence in this
product
---
3
Battery shut off
RTC backup battery is shut off
4
No occurrence in this
product
---
5
No occurrence in this
product
---
6
Cleaning Unit
Pump counter has reached predetermined
value.
7
Date not set
Date is not set
8
Battery pressure
RTC backup battery pressure is temporally
low.
9
Paper feed roller life
The number of ASF paper feeding has reached
predetermined value.
:
10
Reserved
---